21233110100311 has 2 divisors, whose sum is σ = 21233110100312. Its totient is φ = 21233110100310.

The previous prime is 21233110100291. The next prime is 21233110100351. The reversal of 21233110100311 is 11300101133212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21233110100311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21233110100351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616555050155 + 10616555050156.

It is an arithmetic number, because the mean of its divisors is an integer number (10616555050156).

Almost surely, 2^{21233110100311} is an apocalyptic number.

21233110100311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233110100311 is an equidigital number, since it uses as much as digits as its factorization.

21233110100311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21233110100311 its reverse (11300101133212), we get a palindrome (32533211233523).

The spelling of 21233110100311 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred ten million, one hundred thousand, three hundred eleven".